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Question regarding filter floss

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Question regarding filter floss

Post by Sandman1969 on Sun Jun 28, 2015 7:51 pm

My 130 gallon tank has a 10 gallon tub filter. The water comes in from the bottom, rises up through a layer of pot scrubbers, then the floss on top before exiting the tub back into the tank. All the dirty stuff falls to the bottom.
There's a layer of floss on top of the scrubbers and I also put a small sheet across the 3 exit holes for added filtering.

Now my question is this; when it comes time to change it, should I just change the floss that is covering the holes or change the main one that covers the scrubbers?

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Re: Question regarding filter floss

Post by l_l_l on Mon Jun 29, 2015 8:08 am

When I do filter maintenance, I change all my floss.

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Re: Question regarding filter floss

Post by Sandman1969 on Mon Jun 29, 2015 11:05 am

How often is that though?

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Re: Question regarding filter floss

Post by l_l_l on Mon Jun 29, 2015 11:41 am

Once a month

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Re: Question regarding filter floss

Post by Fishypastor on Mon Jun 29, 2015 3:29 pm

Why change the floss everytime? I rinse mine in hot water and reuse over and over.
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Re: Question regarding filter floss

Post by Sandman1969 on Tue Jun 30, 2015 1:06 am

It kinda tears when I try to remove it from the 10 gallon tub. But I don't have to worry about any of the good stuff being removed as they'll be hiding out in the pot scrubbers.

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Re: Question regarding filter floss

Post by l_l_l on Tue Jun 30, 2015 8:34 am

I change it every time because I buy mine in bulk it costs me 5$ and I still have some for two years to come Smile

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Re: Question regarding filter floss

Post by Sbenson11 on Tue Jun 30, 2015 4:57 pm

I'm no expert on Filters but in my mind, the floss should be first before the pot scrubbers. You want to remove the solid waste first so it doesn't clog up you pot scrubbers.

If it starts to slow the flow, toss it all. It's cheap as dirt and holds very little of the nitrifying bacteria.

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Re: Question regarding filter floss

Post by Sandman1969 on Wed Jul 01, 2015 1:07 am

That would be the opposite of what I have been told in the old forum. People had said the pot scrubbers were good for the good stuff.
Tossing that every month would be a huge waste considering it's all plastic.
Plus, if I did that, I would destroy everything & start a cycle all over again.

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Re: Question regarding filter floss

Post by Biulu on Wed Jul 01, 2015 12:15 pm

Floss is like a polishing pad; you want to have as much of the solid waste removed first before getting to the floss. Then the floss takes care of the small stuff that wasn't removed before.
So it is correct to have it on top of the coarser material.

I treat my floss the same way as the rest of the filtering material when I clean the filter; just rinse it in tank water. However, the floss is more prone to falling apart so I rinse it carefully and do not really squeeze it the way I do with the coarser material.
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Re: Question regarding filter floss

Post by Sbenson11 on Wed Jul 01, 2015 12:39 pm

@Sandman1969 wrote:That would be the opposite of what I have been told in the old forum. People had said the pot scrubbers were good for the good stuff.
Tossing that every month would be a huge waste considering it's all plastic.
Plus, if I did that, I would destroy everything & start a cycle all over again.

I think you might have misunderstood me,

The floss should go first, removing as much of the solid waste as possible before the water gets to the pot scrubbers. If you let the water go to the pot scrubbers first it will clog your pot scrubbers in no time. The floss can be regularly replaced as it is dirt cheap.

The pot scrubbers should never need changing and only occasional rinsing with tank water. As an example I rinse the pot scrubbers in my large bio-filters about every six months.

Hope that makes more sense. Smile

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Re: Question regarding filter floss

Post by Sandman1969 on Wed Jul 01, 2015 12:49 pm

TBH, I've never had any issues with the scrubbers. But next time I do change the floss, I will take all the scrubbers out & lay the floss underneath.

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